diff --git a/ge/offline/single_op_parser.cc b/ge/offline/single_op_parser.cc
index 72f742e9..f89f4584 100644
--- a/ge/offline/single_op_parser.cc
+++ b/ge/offline/single_op_parser.cc
@@ -54,6 +54,7 @@ constexpr int kDumpJsonIndent = 2;
 constexpr int kShapeRangePairSize = 2;
 constexpr int kShapeRangeLow = 0;
 constexpr int kShapeRangeHigh = 1;
+constexpr int kMaxFileNameLen = 128;
 
 map<string, GeAttrValue::ValueType> kAttrTypeDict = {
     {"bool", GeAttrValue::VT_BOOL},
@@ -363,8 +364,12 @@ Status SingleOpParser::ConvertToBuildParam(int index,
     return PARAM_INVALID;
   }
 
-  file_name << kFileSuffix;
   build_param.file_name = file_name.str();
+  if (build_param.file_name.length() > kMaxFileNameLen) {
+    GELOGI("Trim file name for it is too long, origin file name = %s", build_param.file_name.c_str());
+    build_param.file_name = build_param.file_name.substr(0, kMaxFileNameLen);
+  }
+  build_param.file_name += kFileSuffix;  
   build_param.op_desc.reset(op_desc.release());
   return SUCCESS;
 }